Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43655 | Chromatographic method for high yield purification and viral inactivation of antibodies | Wytold Lebing, Douglas C. Lee, Klaus-Peter Radtke, Scott A. Cook, Patricia Alred | 2012-09-11 |
| 7709644 | Process for the enantiomeric enrichment of cis-8-benzyl-7,9-dioxo-2,8-diazabicyclo[4.3.0]nonane | Herbert Diehl, Andreas Krebs, Walter Lange, Dietrich Seidel, Rolf Grosser +1 more | 2010-05-04 |
| 6955917 | Chromatographic method for high yield purification and viral inactivation of antibodies | Patricia Alred, Scott A. Cook, Wytold Lebing, Douglas C. Lee, Klaus-Peter Radtke | 2005-10-18 |
| 6307028 | Chromatographic method for high yield purification and viral inactivation of antibodies | Wytold Lebing, Patricia Alred, Douglas C. Lee | 2001-10-23 |
| 5886154 | Chromatographic method for high yield purification and viral inactivation of antibodies | Wytold Lebing, Patricia Alred, Doug C. Lee | 1999-03-23 |
| 5250658 | Isolation of polycarbonate with carbon dioxide | Rolf Treckmann, Gunther Weymans, Jurgen Kirsch, Wolfgang Herrig | 1993-10-05 |
| 5229486 | Process for isolating polymers from their solvents using liquids containing carbon dioxide | Rolf Treckmann, Gunther Weymans, Jurgen Kirsch, Jürgen Heuser, Klaus Elgeti | 1993-07-20 |
| 5221731 | Process for isolating polycarbonates with CO.sub.2 under pressure | Gunther Weymans, Jurgen Kirsch, Wolfgang Herrig, Rolf Treckmann | 1993-06-22 |
| 5106906 | Process for the production of finely dispersed polymer mixtures | Erich Meier, Rudiger Plaetschke, Gunther Weymanns | 1992-04-21 |
| 4990595 | Process for lowering the melt viscosity of aromatic polycarbonates, aromatic polyester carbonates and aromatic and/or araliphatic polyesters with super-critical gases | Hans-Joachim Traechkner, Karl-Dieter Lohr, Wolfgang Wehnert, Claus Wulff, Wolfgang Arlt | 1991-02-05 |